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How does bash tab completion work?
...m), completions for a lot of commands are installed, and as Wrikken said, /etc/bash_completion contains a bash script which is then often executed at shell startup to configure this. Additional custom completion scripts may be placed in /etc/bash_completion.d; those are all sourced from /etc/bash_co...
How can I programmatically create a new cron job?
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The best way if you're running as root, is to drop a file into /etc/cron.d
if you use a package manager to package your software, you can simply lay down files in that directory and they are interpreted as if they were crontabs, but with an extra field for the username, e.g.:
Filename: ...
Extracting just Month and Year separately from Pandas Datetime column
...column'].dt.to_period('M')
You could also use D for Day, 2M for 2 Months etc. for different sampling intervals, and in case one has time series data with time stamp, we can go for granular sampling intervals such as 45Min for 45 min, 15Min for 15 min sampling etc.
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What is the difference between application server and web server?
...rvers have plugins to support scripting languages like Perl, PHP, ASP, JSP etc. through which these servers can generate dynamic HTTP content.
Most of the application servers have Web Server as integral part of them, that means App Server can do whatever Web Server is capable of. Additionally App S...
specify project file of a solution using msbuild
...em work out the dependencies automatically.
If you are enforcing a build order using the sln file, I recommend working those dependencies directly into the proj files and removing them from the sln. This will allow you to invoke any proj file from MSBuild directly and the projects will all build ...
Apache Prefork vs Worker MPM
...te easily.
The setting for prefork, worker, or event is set in sudo nano /etc/httpd/conf.modules.d/00-mpm.conf (for CentOS 6.x/7.x/Apache 2.4).
# Select the MPM module which should be used by uncommenting exactly
# one of the following LoadModule lines:
# prefork MPM: Implements a non-threaded, p...
Format file size as MB, GB, etc [duplicate]
I need to display a file size as a string using sensible units.
3 Answers
3
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What's the point of JAXB 2's ObjectFactory classes?
...ple/reference of what (or how complicated) a Schema element needs to be in order for create*() to do something useful? I'm having trouble finding the part of the Schema you're referencing with your JAXB example. If my Schema gets more complicated later, it'd certainly be nice for create* to handle p...
What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
...changes that were made afterwards. I had to do a sync and then resolve in order to get the changes back in which were submitted after the backout.
– gdw2
Mar 22 '12 at 21:20
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What is CMake equivalent of 'configure --prefix=DIR && make all install '?
...in CMake is effectively a string, but setting PATH, FILEPATH, STRING, BOOL etc help the GUI to present a more appropriate widget.
– Marcus D. Hanwell
May 22 '13 at 16:54
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